Question

2.
On a 60 km track, a train travels the first 30 km at a uniform speed of 30 km/h.
How fast must the train travel the next 30 km so a to average 40 km/h for the
entire trip?
3.
An object has moved through a distance. Can it have zero diaplacement? If yes,
support your answer with an example.
4.
A farmer moves along the boundary of a square field of side 10 min 40s. What will
be the magnitude of displacement of the farmer at the end of 2 minutes 20
seconds?
5.
Under what condition(s) is the magnityde of the average velocity of an object
equal to its average speed?
​

Answer 1

Answer:

2.50

3.No

4.One side

Explanation:..